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September 25, 2018 15:56
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Repeat wrapping
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Example 10.08 - Repeat mapping</title> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/three.js/96/three.min.js"></script> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/stats.js/r16/Stats.min.js"></script> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.2/dat.gui.min.js"></script> | |
| <style> | |
| body { | |
| /* set margin to 0 and overflow to hidden, to go fullscreen */ | |
| margin: 0; | |
| overflow: hidden; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="Stats-output"> | |
| </div> | |
| <!-- Div which will hold the Output --> | |
| <div id="WebGL-output"> | |
| </div> | |
| <!-- Javascript code that runs our Three.js examples --> | |
| <script type="text/javascript"> | |
| // once everything is loaded, we run our Three.js stuff. | |
| function init() { | |
| var stats = initStats(); | |
| // create a scene, that will hold all our elements such as objects, cameras and lights. | |
| var scene = new THREE.Scene(); | |
| // create a camera, which defines where we're looking at. | |
| var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000); | |
| // create a render and set the size | |
| var webGLRenderer = new THREE.WebGLRenderer(); | |
| webGLRenderer.setClearColor(new THREE.Color(0xEEEEEE)); | |
| webGLRenderer.setSize(window.innerWidth, window.innerHeight); | |
| webGLRenderer.shadowMap.enabled = true; | |
| webGLRenderer.shadowMap.type = THREE.PCFSoftShadowMap; // default THREE.PCFShadowMap | |
| var sphere = createMesh(new THREE.SphereGeometry(5, 20, 20), "floor-wood.jpg"); | |
| scene.add(sphere); | |
| sphere.position.x = 7; | |
| var cube = createMesh(new THREE.BoxGeometry(6, 6, 6), "brick-wall.jpg"); | |
| cube.position.x = -7; | |
| scene.add(cube); | |
| console.log(cube.geometry.faceVertexUvs); | |
| // position and point the camera to the center of the scene | |
| camera.position.x = 00; | |
| camera.position.y = 12; | |
| camera.position.z = 20; | |
| camera.lookAt(new THREE.Vector3(0, 0, 0)); | |
| var ambiLight = new THREE.AmbientLight(0x141414); | |
| scene.add(ambiLight); | |
| var light = new THREE.DirectionalLight(); | |
| light.position.set(0, 30, 20); | |
| scene.add(light); | |
| // add the output of the renderer to the html element | |
| document.getElementById("WebGL-output").appendChild(webGLRenderer.domElement); | |
| // call the render function | |
| var step = 0; | |
| // var polyhedron = createMesh(new THREE.PolyhedronGeometry(vertices, faces, controls.radius, controls.detail)); | |
| // setup the control gui | |
| var controls = new function () { | |
| this.repeatX = 1; | |
| this.repeatY = 1; | |
| this.repeatWrapping = true; | |
| this.updateRepeat = function (e) { | |
| cube.material.map.repeat.set(controls.repeatX, controls.repeatY); | |
| sphere.material.map.repeat.set(controls.repeatX, controls.repeatY); | |
| if (controls.repeatWrapping) { | |
| cube.material.map.wrapS = THREE.RepeatWrapping; | |
| cube.material.map.wrapT = THREE.RepeatWrapping; | |
| sphere.material.map.wrapS = THREE.RepeatWrapping; | |
| sphere.material.map.wrapT = THREE.RepeatWrapping; | |
| } else { | |
| cube.material.map.wrapS = THREE.ClampToEdgeWrapping; | |
| cube.material.map.wrapT = THREE.ClampToEdgeWrapping; | |
| sphere.material.map.wrapS = THREE.ClampToEdgeWrapping; | |
| sphere.material.map.wrapT = THREE.ClampToEdgeWrapping; | |
| } | |
| cube.material.map.needsUpdate = true; | |
| sphere.material.map.needsUpdate = true; | |
| } | |
| }; | |
| var gui = new dat.GUI(); | |
| gui.add(controls, "repeatX", -4, 4).onChange(controls.updateRepeat); | |
| gui.add(controls, "repeatY", -4, 4).onChange(controls.updateRepeat); | |
| gui.add(controls, "repeatWrapping").onChange(controls.updateRepeat); | |
| render(); | |
| function createMesh(geom, texture) { | |
| var texture = new THREE.TextureLoader().load("../assets96/textures/general/" + texture); | |
| texture.wrapS = THREE.RepeatWrapping; | |
| texture.wrapT = THREE.RepeatWrapping; | |
| geom.computeVertexNormals(); | |
| var mat = new THREE.MeshPhongMaterial(); | |
| mat.map = texture; | |
| // create a multimaterial | |
| var mesh = new THREE.Mesh(geom, mat); | |
| return mesh; | |
| } | |
| function render() { | |
| stats.update(); | |
| step += 0.01; | |
| cube.rotation.y = step; | |
| cube.rotation.x = step; | |
| sphere.rotation.y = step; | |
| sphere.rotation.x = step; | |
| // render using requestAnimationFrame | |
| requestAnimationFrame(render); | |
| webGLRenderer.render(scene, camera); | |
| } | |
| function initStats() { | |
| var stats = new Stats(); | |
| stats.setMode(0); // 0: fps, 1: ms | |
| // Align top-left | |
| stats.domElement.style.position = 'absolute'; | |
| stats.domElement.style.left = '0px'; | |
| stats.domElement.style.top = '0px'; | |
| document.getElementById("Stats-output").appendChild(stats.domElement); | |
| return stats; | |
| } | |
| } | |
| window.onload = init; | |
| </script> | |
| </body> | |
| </html> |
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